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All results from a given calculation for SiCl3CH3 (methyltrichlorosilane)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-1709.334919
Energy at 298.15K-1709.338026
HF Energy-1709.334919
Nuclear repulsion energy433.916424
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3000 2959 0.53      
2 A1 1265 1247 21.58      
3 A1 738 728 73.14      
4 A1 430 424 20.66      
5 A1 225 222 11.94      
6 A2 162 160 0.00      
7 E 3099 3057 0.23      
7 E 3099 3057 0.23      
8 E 1413 1394 3.34      
8 E 1413 1394 3.34      
9 E 813 801 92.57      
9 E 813 801 92.58      
10 E 564 557 143.19      
10 E 564 557 143.21      
11 E 211 208 2.41      
11 E 211 208 2.41      
12 E 149 147 0.75      
12 E 149 147 0.75      

Unscaled Zero Point Vibrational Energy (zpe) 9160.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 9034.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31G**
ABC
0.05698 0.05698 0.04240

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Si1 0.000 0.000 0.257
C2 0.000 0.000 2.121
Cl3 0.000 1.939 -0.467
Cl4 1.679 -0.969 -0.467
Cl5 -1.679 -0.969 -0.467
H6 0.000 -1.035 2.498
H7 0.896 0.517 2.498
H8 -0.896 0.517 2.498

Atom - Atom Distances (Å)
  Si1 C2 Cl3 Cl4 Cl5 H6 H7 H8
Si11.86342.06972.06972.06972.46762.46762.4676
C21.86343.23363.23363.23361.10111.10111.1011
Cl32.06973.23363.35813.35814.19893.40783.4078
Cl42.06973.23363.35813.35813.40783.40784.1989
Cl52.06973.23363.35813.35813.40784.19893.4078
H62.46761.10114.19893.40783.40781.79201.7920
H72.46761.10113.40783.40784.19891.79201.7920
H82.46761.10113.40784.19893.40781.79201.7920

picture of methyltrichlorosilane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Si1 C2 H6 110.014 Si1 C2 H7 110.014
Si1 C2 H8 110.014 C2 Si1 Cl3 110.488
C2 Si1 Cl4 110.488 C2 Si1 Cl5 110.488
Cl3 Si1 Cl4 108.435 Cl3 Si1 Cl5 108.435
Cl4 Si1 Cl5 108.435 H6 C2 H7 108.923
H6 C2 H8 108.923 H7 C2 H8 108.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Si 0.527      
2 C -0.552      
3 Cl -0.169      
4 Cl -0.169      
5 Cl -0.169      
6 H 0.177      
7 H 0.177      
8 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 2.433 2.433
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -59.257 0.000 0.000
y 0.000 -59.257 0.000
z 0.000 0.000 -53.803
Traceless
 xyz
x -2.727 0.000 0.000
y 0.000 -2.727 0.000
z 0.000 0.000 5.454
Polar
3z2-r210.908
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.424 0.000 0.000
y 0.000 9.424 0.000
z 0.000 0.000 8.275


<r2> (average value of r2) Å2
<r2> 288.549
(<r2>)1/2 16.987